Red Hat Security Advisory: thunderbird security update

Fixed packages 3

Vulnerabilities 6

• Unscored —
  CVE-2021-29980

  Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potent…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021
• Unscored —
  CVE-2021-29984

  Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered d…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021
• Unscored —
  CVE-2021-29985

  A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable cras…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021
• Unscored —
  CVE-2021-29986

  A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021
• Unscored —
  CVE-2021-29988

  Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memor…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021
• Unscored —
  CVE-2021-29989

  Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed e…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Aug 17, 2021

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992417
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992419
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992420
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992421
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992422
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1992423
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3155.json
• report
  https://access.redhat.com/security/cve/CVE-2021-29980
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29980
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29980
• report
  https://access.redhat.com/security/cve/CVE-2021-29984
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29984
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29984
• report
  https://access.redhat.com/security/cve/CVE-2021-29985
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29985
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29985
• report
  https://access.redhat.com/security/cve/CVE-2021-29986
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29986
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29986
• report
  https://access.redhat.com/security/cve/CVE-2021-29988
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29988
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29988
• report
  https://access.redhat.com/security/cve/CVE-2021-29989
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-29989
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-29989